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Index: head/sys/conf/files.amd64
===================================================================
--- head/sys/conf/files.amd64
+++ head/sys/conf/files.amd64
@@ -298,12 +298,12 @@
dev/hyperv/netvsc/hn_rndis.c optional hyperv
dev/hyperv/netvsc/if_hn.c optional hyperv
dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c optional hyperv
-dev/hyperv/utilities/hv_heartbeat.c optional hyperv
dev/hyperv/utilities/hv_kvp.c optional hyperv
dev/hyperv/utilities/hv_snapshot.c optional hyperv
-dev/hyperv/utilities/hv_shutdown.c optional hyperv
-dev/hyperv/utilities/hv_timesync.c optional hyperv
+dev/hyperv/utilities/vmbus_heartbeat.c optional hyperv
dev/hyperv/utilities/vmbus_ic.c optional hyperv
+dev/hyperv/utilities/vmbus_shutdown.c optional hyperv
+dev/hyperv/utilities/vmbus_timesync.c optional hyperv
dev/hyperv/vmbus/hyperv.c optional hyperv
dev/hyperv/vmbus/hyperv_busdma.c optional hyperv
dev/hyperv/vmbus/vmbus.c optional hyperv pci
Index: head/sys/conf/files.i386
===================================================================
--- head/sys/conf/files.i386
+++ head/sys/conf/files.i386
@@ -254,12 +254,12 @@
dev/hyperv/netvsc/hn_rndis.c optional hyperv
dev/hyperv/netvsc/if_hn.c optional hyperv
dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c optional hyperv
-dev/hyperv/utilities/hv_heartbeat.c optional hyperv
dev/hyperv/utilities/hv_kvp.c optional hyperv
dev/hyperv/utilities/hv_snapshot.c optional hyperv
-dev/hyperv/utilities/hv_shutdown.c optional hyperv
-dev/hyperv/utilities/hv_timesync.c optional hyperv
+dev/hyperv/utilities/vmbus_heartbeat.c optional hyperv
dev/hyperv/utilities/vmbus_ic.c optional hyperv
+dev/hyperv/utilities/vmbus_shutdown.c optional hyperv
+dev/hyperv/utilities/vmbus_timesync.c optional hyperv
dev/hyperv/vmbus/hyperv.c optional hyperv
dev/hyperv/vmbus/hyperv_busdma.c optional hyperv
dev/hyperv/vmbus/vmbus.c optional hyperv pci
Index: head/sys/dev/hyperv/utilities/hv_heartbeat.c
===================================================================
--- head/sys/dev/hyperv/utilities/hv_heartbeat.c
+++ head/sys/dev/hyperv/utilities/hv_heartbeat.c
@@ -1,152 +0,0 @@
-/*-
- * Copyright (c) 2014,2016 Microsoft Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice unmodified, this list of conditions, and the following
- * disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/bus.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/systm.h>
-
-#include <dev/hyperv/include/hyperv.h>
-#include <dev/hyperv/include/vmbus.h>
-#include <dev/hyperv/utilities/vmbus_icreg.h>
-#include <dev/hyperv/utilities/vmbus_icvar.h>
-
-#define VMBUS_HEARTBEAT_FWVER_MAJOR 3
-#define VMBUS_HEARTBEAT_FWVER \
- VMBUS_IC_VERSION(VMBUS_HEARTBEAT_FWVER_MAJOR, 0)
-
-#define VMBUS_HEARTBEAT_MSGVER_MAJOR 3
-#define VMBUS_HEARTBEAT_MSGVER \
- VMBUS_IC_VERSION(VMBUS_HEARTBEAT_MSGVER_MAJOR, 0)
-
-static int vmbus_heartbeat_probe(device_t);
-static int vmbus_heartbeat_attach(device_t);
-
-static const struct vmbus_ic_desc vmbus_heartbeat_descs[] = {
- {
- .ic_guid = { .hv_guid = {
- 0x39, 0x4f, 0x16, 0x57, 0x15, 0x91, 0x78, 0x4e,
- 0xab, 0x55, 0x38, 0x2f, 0x3b, 0xd5, 0x42, 0x2d} },
- .ic_desc = "Hyper-V Heartbeat"
- },
- VMBUS_IC_DESC_END
-};
-
-static device_method_t vmbus_heartbeat_methods[] = {
- /* Device interface */
- DEVMETHOD(device_probe, vmbus_heartbeat_probe),
- DEVMETHOD(device_attach, vmbus_heartbeat_attach),
- DEVMETHOD(device_detach, vmbus_ic_detach),
- DEVMETHOD_END
-};
-
-static driver_t vmbus_heartbeat_driver = {
- "hvheartbeat",
- vmbus_heartbeat_methods,
- sizeof(struct vmbus_ic_softc)
-};
-
-static devclass_t vmbus_heartbeat_devclass;
-
-DRIVER_MODULE(hv_heartbeat, vmbus, vmbus_heartbeat_driver,
- vmbus_heartbeat_devclass, NULL, NULL);
-MODULE_VERSION(hv_heartbeat, 1);
-MODULE_DEPEND(hv_heartbeat, vmbus, 1, 1, 1);
-
-static void
-vmbus_heartbeat_cb(struct vmbus_channel *chan, void *xsc)
-{
- struct vmbus_ic_softc *sc = xsc;
- struct vmbus_icmsg_hdr *hdr;
- int dlen, error;
- uint64_t xactid;
- void *data;
-
- /*
- * Receive request.
- */
- data = sc->ic_buf;
- dlen = sc->ic_buflen;
- error = vmbus_chan_recv(chan, data, &dlen, &xactid);
- KASSERT(error != ENOBUFS, ("icbuf is not large enough"));
- if (error)
- return;
-
- if (dlen < sizeof(*hdr)) {
- device_printf(sc->ic_dev, "invalid data len %d\n", dlen);
- return;
- }
- hdr = data;
-
- /*
- * Update request, which will be echoed back as response.
- */
- switch (hdr->ic_type) {
- case VMBUS_ICMSG_TYPE_NEGOTIATE:
- error = vmbus_ic_negomsg(sc, data, &dlen,
- VMBUS_HEARTBEAT_FWVER, VMBUS_HEARTBEAT_MSGVER);
- if (error)
- return;
- break;
-
- case VMBUS_ICMSG_TYPE_HEARTBEAT:
- /* Only ic_seq is a must */
- if (dlen < VMBUS_ICMSG_HEARTBEAT_SIZE_MIN) {
- device_printf(sc->ic_dev, "invalid heartbeat len %d\n",
- dlen);
- return;
- }
- ((struct vmbus_icmsg_heartbeat *)data)->ic_seq++;
- break;
-
- default:
- device_printf(sc->ic_dev, "got 0x%08x icmsg\n", hdr->ic_type);
- break;
- }
-
- /*
- * Send response by echoing the request back.
- */
- vmbus_ic_sendresp(sc, chan, data, dlen, xactid);
-}
-
-static int
-vmbus_heartbeat_probe(device_t dev)
-{
-
- return (vmbus_ic_probe(dev, vmbus_heartbeat_descs));
-}
-
-static int
-vmbus_heartbeat_attach(device_t dev)
-{
-
- return (vmbus_ic_attach(dev, vmbus_heartbeat_cb));
-}
Index: head/sys/dev/hyperv/utilities/hv_shutdown.c
===================================================================
--- head/sys/dev/hyperv/utilities/hv_shutdown.c
+++ head/sys/dev/hyperv/utilities/hv_shutdown.c
@@ -1,167 +0,0 @@
-/*-
- * Copyright (c) 2014,2016 Microsoft Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice unmodified, this list of conditions, and the following
- * disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/bus.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/reboot.h>
-#include <sys/systm.h>
-
-#include <dev/hyperv/include/hyperv.h>
-#include <dev/hyperv/include/vmbus.h>
-#include <dev/hyperv/utilities/vmbus_icreg.h>
-#include <dev/hyperv/utilities/vmbus_icvar.h>
-
-#define VMBUS_SHUTDOWN_FWVER_MAJOR 3
-#define VMBUS_SHUTDOWN_FWVER \
- VMBUS_IC_VERSION(VMBUS_SHUTDOWN_FWVER_MAJOR, 0)
-
-#define VMBUS_SHUTDOWN_MSGVER_MAJOR 3
-#define VMBUS_SHUTDOWN_MSGVER \
- VMBUS_IC_VERSION(VMBUS_SHUTDOWN_MSGVER_MAJOR, 0)
-
-static int vmbus_shutdown_probe(device_t);
-static int vmbus_shutdown_attach(device_t);
-
-static const struct vmbus_ic_desc vmbus_shutdown_descs[] = {
- {
- .ic_guid = { .hv_guid = {
- 0x31, 0x60, 0x0b, 0x0e, 0x13, 0x52, 0x34, 0x49,
- 0x81, 0x8b, 0x38, 0xd9, 0x0c, 0xed, 0x39, 0xdb } },
- .ic_desc = "Hyper-V Shutdown"
- },
- VMBUS_IC_DESC_END
-};
-
-static device_method_t vmbus_shutdown_methods[] = {
- /* Device interface */
- DEVMETHOD(device_probe, vmbus_shutdown_probe),
- DEVMETHOD(device_attach, vmbus_shutdown_attach),
- DEVMETHOD(device_detach, vmbus_ic_detach),
- DEVMETHOD_END
-};
-
-static driver_t vmbus_shutdown_driver = {
- "hvshutdown",
- vmbus_shutdown_methods,
- sizeof(struct vmbus_ic_softc)
-};
-
-static devclass_t vmbus_shutdown_devclass;
-
-DRIVER_MODULE(hv_shutdown, vmbus, vmbus_shutdown_driver,
- vmbus_shutdown_devclass, NULL, NULL);
-MODULE_VERSION(hv_shutdown, 1);
-MODULE_DEPEND(hv_shutdown, vmbus, 1, 1, 1);
-
-static void
-vmbus_shutdown_cb(struct vmbus_channel *chan, void *xsc)
-{
- struct vmbus_ic_softc *sc = xsc;
- struct vmbus_icmsg_hdr *hdr;
- struct vmbus_icmsg_shutdown *msg;
- int dlen, error, do_shutdown = 0;
- uint64_t xactid;
- void *data;
-
- /*
- * Receive request.
- */
- data = sc->ic_buf;
- dlen = sc->ic_buflen;
- error = vmbus_chan_recv(chan, data, &dlen, &xactid);
- KASSERT(error != ENOBUFS, ("icbuf is not large enough"));
- if (error)
- return;
-
- if (dlen < sizeof(*hdr)) {
- device_printf(sc->ic_dev, "invalid data len %d\n", dlen);
- return;
- }
- hdr = data;
-
- /*
- * Update request, which will be echoed back as response.
- */
- switch (hdr->ic_type) {
- case VMBUS_ICMSG_TYPE_NEGOTIATE:
- error = vmbus_ic_negomsg(sc, data, &dlen,
- VMBUS_SHUTDOWN_FWVER, VMBUS_SHUTDOWN_MSGVER);
- if (error)
- return;
- break;
-
- case VMBUS_ICMSG_TYPE_SHUTDOWN:
- if (dlen < VMBUS_ICMSG_SHUTDOWN_SIZE_MIN) {
- device_printf(sc->ic_dev, "invalid shutdown len %d\n",
- dlen);
- return;
- }
- msg = data;
-
- /* XXX ic_flags definition? */
- if (msg->ic_haltflags == 0 || msg->ic_haltflags == 1) {
- device_printf(sc->ic_dev, "shutdown requested\n");
- hdr->ic_status = VMBUS_ICMSG_STATUS_OK;
- do_shutdown = 1;
- } else {
- device_printf(sc->ic_dev, "unknown shutdown flags "
- "0x%08x\n", msg->ic_haltflags);
- hdr->ic_status = VMBUS_ICMSG_STATUS_FAIL;
- }
- break;
-
- default:
- device_printf(sc->ic_dev, "got 0x%08x icmsg\n", hdr->ic_type);
- break;
- }
-
- /*
- * Send response by echoing the request back.
- */
- vmbus_ic_sendresp(sc, chan, data, dlen, xactid);
-
- if (do_shutdown)
- shutdown_nice(RB_POWEROFF);
-}
-
-static int
-vmbus_shutdown_probe(device_t dev)
-{
-
- return (vmbus_ic_probe(dev, vmbus_shutdown_descs));
-}
-
-static int
-vmbus_shutdown_attach(device_t dev)
-{
-
- return (vmbus_ic_attach(dev, vmbus_shutdown_cb));
-}
Index: head/sys/dev/hyperv/utilities/hv_timesync.c
===================================================================
--- head/sys/dev/hyperv/utilities/hv_timesync.c
+++ head/sys/dev/hyperv/utilities/hv_timesync.c
@@ -1,245 +0,0 @@
-/*-
- * Copyright (c) 2014,2016 Microsoft Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice unmodified, this list of conditions, and the following
- * disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/bus.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/syscallsubr.h>
-#include <sys/sysctl.h>
-#include <sys/systm.h>
-
-#include <dev/hyperv/include/hyperv.h>
-#include <dev/hyperv/include/vmbus.h>
-#include <dev/hyperv/utilities/vmbus_icreg.h>
-#include <dev/hyperv/utilities/vmbus_icvar.h>
-
-#define VMBUS_TIMESYNC_FWVER_MAJOR 3
-#define VMBUS_TIMESYNC_FWVER \
- VMBUS_IC_VERSION(VMBUS_TIMESYNC_FWVER_MAJOR, 0)
-
-#define VMBUS_TIMESYNC_MSGVER_MAJOR 4
-#define VMBUS_TIMESYNC_MSGVER \
- VMBUS_IC_VERSION(VMBUS_TIMESYNC_MSGVER_MAJOR, 0)
-
-#define VMBUS_TIMESYNC_DORTT(sc) \
- ((sc)->ic_msgver >= VMBUS_IC_VERSION(4, 0) && \
- (hyperv_features & CPUID_HV_MSR_TIME_REFCNT))
-
-static int vmbus_timesync_probe(device_t);
-static int vmbus_timesync_attach(device_t);
-
-static const struct vmbus_ic_desc vmbus_timesync_descs[] = {
- {
- .ic_guid = { .hv_guid = {
- 0x30, 0xe6, 0x27, 0x95, 0xae, 0xd0, 0x7b, 0x49,
- 0xad, 0xce, 0xe8, 0x0a, 0xb0, 0x17, 0x5c, 0xaf } },
- .ic_desc = "Hyper-V Timesync"
- },
- VMBUS_IC_DESC_END
-};
-
-static device_method_t vmbus_timesync_methods[] = {
- /* Device interface */
- DEVMETHOD(device_probe, vmbus_timesync_probe),
- DEVMETHOD(device_attach, vmbus_timesync_attach),
- DEVMETHOD(device_detach, vmbus_ic_detach),
- DEVMETHOD_END
-};
-
-static driver_t vmbus_timesync_driver = {
- "hvtimesync",
- vmbus_timesync_methods,
- sizeof(struct vmbus_ic_softc)
-};
-
-static devclass_t vmbus_timesync_devclass;
-
-DRIVER_MODULE(hv_timesync, vmbus, vmbus_timesync_driver,
- vmbus_timesync_devclass, NULL, NULL);
-MODULE_VERSION(hv_timesync, 1);
-MODULE_DEPEND(hv_timesync, vmbus, 1, 1, 1);
-
-SYSCTL_NODE(_hw, OID_AUTO, hvtimesync, CTLFLAG_RW | CTLFLAG_MPSAFE, NULL,
- "Hyper-V timesync interface");
-
-static int vmbus_ts_ignore_sync = 0;
-SYSCTL_INT(_hw_hvtimesync, OID_AUTO, ignore_sync, CTLFLAG_RWTUN,
- &vmbus_ts_ignore_sync, 0, "Ignore the sync request.");
-
-/*
- * Trigger sample sync when drift exceeds threshold (ms).
- * Ignore the sample request when set to 0.
- */
-static int vmbus_ts_sample_thresh = 100;
-SYSCTL_INT(_hw_hvtimesync, OID_AUTO, sample_thresh, CTLFLAG_RWTUN,
- &vmbus_ts_sample_thresh, 0,
- "Threshold that makes sample request trigger the sync (unit: ms).");
-
-static int vmbus_ts_sample_verbose = 0;
-SYSCTL_INT(_hw_hvtimesync, OID_AUTO, sample_verbose, CTLFLAG_RWTUN,
- &vmbus_ts_sample_verbose, 0, "Increase sample request verbosity.");
-
-static void
-vmbus_timesync(struct vmbus_ic_softc *sc, uint64_t hvtime, uint64_t sent_tc,
- uint8_t tsflags)
-{
- struct timespec vm_ts;
- uint64_t hv_ns, vm_ns, rtt = 0;
-
- if (VMBUS_TIMESYNC_DORTT(sc))
- rtt = rdmsr(MSR_HV_TIME_REF_COUNT) - sent_tc;
-
- hv_ns = (hvtime - VMBUS_ICMSG_TS_BASE + rtt) * HYPERV_TIMER_NS_FACTOR;
- nanotime(&vm_ts);
- vm_ns = (vm_ts.tv_sec * NANOSEC) + vm_ts.tv_nsec;
-
- if ((tsflags & VMBUS_ICMSG_TS_FLAG_SYNC) && !vmbus_ts_ignore_sync) {
- struct timespec hv_ts;
-
- if (bootverbose) {
- device_printf(sc->ic_dev, "apply sync request, "
- "hv: %ju, vm: %ju\n",
- (uintmax_t)hv_ns, (uintmax_t)vm_ns);
- }
- hv_ts.tv_sec = hv_ns / NANOSEC;
- hv_ts.tv_nsec = hv_ns % NANOSEC;
- kern_clock_settime(curthread, CLOCK_REALTIME, &hv_ts);
- /* Done! */
- return;
- }
-
- if ((tsflags & VMBUS_ICMSG_TS_FLAG_SAMPLE) &&
- vmbus_ts_sample_thresh > 0) {
- int64_t diff;
-
- if (vmbus_ts_sample_verbose) {
- device_printf(sc->ic_dev, "sample request, "
- "hv: %ju, vm: %ju\n",
- (uintmax_t)hv_ns, (uintmax_t)vm_ns);
- }
-
- if (hv_ns > vm_ns)
- diff = hv_ns - vm_ns;
- else
- diff = vm_ns - hv_ns;
- /* nanosec -> millisec */
- diff /= 1000000;
-
- if (diff > vmbus_ts_sample_thresh) {
- struct timespec hv_ts;
-
- if (bootverbose) {
- device_printf(sc->ic_dev,
- "apply sample request, hv: %ju, vm: %ju\n",
- (uintmax_t)hv_ns, (uintmax_t)vm_ns);
- }
- hv_ts.tv_sec = hv_ns / NANOSEC;
- hv_ts.tv_nsec = hv_ns % NANOSEC;
- kern_clock_settime(curthread, CLOCK_REALTIME, &hv_ts);
- }
- /* Done */
- return;
- }
-}
-
-static void
-vmbus_timesync_cb(struct vmbus_channel *chan, void *xsc)
-{
- struct vmbus_ic_softc *sc = xsc;
- struct vmbus_icmsg_hdr *hdr;
- const struct vmbus_icmsg_timesync *msg;
- int dlen, error;
- uint64_t xactid;
- void *data;
-
- /*
- * Receive request.
- */
- data = sc->ic_buf;
- dlen = sc->ic_buflen;
- error = vmbus_chan_recv(chan, data, &dlen, &xactid);
- KASSERT(error != ENOBUFS, ("icbuf is not large enough"));
- if (error)
- return;
-
- if (dlen < sizeof(*hdr)) {
- device_printf(sc->ic_dev, "invalid data len %d\n", dlen);
- return;
- }
- hdr = data;
-
- /*
- * Update request, which will be echoed back as response.
- */
- switch (hdr->ic_type) {
- case VMBUS_ICMSG_TYPE_NEGOTIATE:
- error = vmbus_ic_negomsg(sc, data, &dlen,
- VMBUS_TIMESYNC_FWVER, VMBUS_TIMESYNC_MSGVER);
- if (error)
- return;
- if (VMBUS_TIMESYNC_DORTT(sc))
- device_printf(sc->ic_dev, "RTT\n");
- break;
-
- case VMBUS_ICMSG_TYPE_TIMESYNC:
- if (dlen < sizeof(*msg)) {
- device_printf(sc->ic_dev, "invalid timesync len %d\n",
- dlen);
- return;
- }
- msg = data;
- vmbus_timesync(sc, msg->ic_hvtime, msg->ic_sent_tc,
- msg->ic_tsflags);
- break;
-
- default:
- device_printf(sc->ic_dev, "got 0x%08x icmsg\n", hdr->ic_type);
- break;
- }
-
- /*
- * Send response by echoing the request back.
- */
- vmbus_ic_sendresp(sc, chan, data, dlen, xactid);
-}
-
-static int
-vmbus_timesync_probe(device_t dev)
-{
-
- return (vmbus_ic_probe(dev, vmbus_timesync_descs));
-}
-
-static int
-vmbus_timesync_attach(device_t dev)
-{
-
- return (vmbus_ic_attach(dev, vmbus_timesync_cb));
-}
Index: head/sys/dev/hyperv/utilities/vmbus_heartbeat.c
===================================================================
--- head/sys/dev/hyperv/utilities/vmbus_heartbeat.c
+++ head/sys/dev/hyperv/utilities/vmbus_heartbeat.c
@@ -0,0 +1,152 @@
+/*-
+ * Copyright (c) 2014,2016 Microsoft Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice unmodified, this list of conditions, and the following
+ * disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/systm.h>
+
+#include <dev/hyperv/include/hyperv.h>
+#include <dev/hyperv/include/vmbus.h>
+#include <dev/hyperv/utilities/vmbus_icreg.h>
+#include <dev/hyperv/utilities/vmbus_icvar.h>
+
+#define VMBUS_HEARTBEAT_FWVER_MAJOR 3
+#define VMBUS_HEARTBEAT_FWVER \
+ VMBUS_IC_VERSION(VMBUS_HEARTBEAT_FWVER_MAJOR, 0)
+
+#define VMBUS_HEARTBEAT_MSGVER_MAJOR 3
+#define VMBUS_HEARTBEAT_MSGVER \
+ VMBUS_IC_VERSION(VMBUS_HEARTBEAT_MSGVER_MAJOR, 0)
+
+static int vmbus_heartbeat_probe(device_t);
+static int vmbus_heartbeat_attach(device_t);
+
+static const struct vmbus_ic_desc vmbus_heartbeat_descs[] = {
+ {
+ .ic_guid = { .hv_guid = {
+ 0x39, 0x4f, 0x16, 0x57, 0x15, 0x91, 0x78, 0x4e,
+ 0xab, 0x55, 0x38, 0x2f, 0x3b, 0xd5, 0x42, 0x2d} },
+ .ic_desc = "Hyper-V Heartbeat"
+ },
+ VMBUS_IC_DESC_END
+};
+
+static device_method_t vmbus_heartbeat_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, vmbus_heartbeat_probe),
+ DEVMETHOD(device_attach, vmbus_heartbeat_attach),
+ DEVMETHOD(device_detach, vmbus_ic_detach),
+ DEVMETHOD_END
+};
+
+static driver_t vmbus_heartbeat_driver = {
+ "hvheartbeat",
+ vmbus_heartbeat_methods,
+ sizeof(struct vmbus_ic_softc)
+};
+
+static devclass_t vmbus_heartbeat_devclass;
+
+DRIVER_MODULE(hv_heartbeat, vmbus, vmbus_heartbeat_driver,
+ vmbus_heartbeat_devclass, NULL, NULL);
+MODULE_VERSION(hv_heartbeat, 1);
+MODULE_DEPEND(hv_heartbeat, vmbus, 1, 1, 1);
+
+static void
+vmbus_heartbeat_cb(struct vmbus_channel *chan, void *xsc)
+{
+ struct vmbus_ic_softc *sc = xsc;
+ struct vmbus_icmsg_hdr *hdr;
+ int dlen, error;
+ uint64_t xactid;
+ void *data;
+
+ /*
+ * Receive request.
+ */
+ data = sc->ic_buf;
+ dlen = sc->ic_buflen;
+ error = vmbus_chan_recv(chan, data, &dlen, &xactid);
+ KASSERT(error != ENOBUFS, ("icbuf is not large enough"));
+ if (error)
+ return;
+
+ if (dlen < sizeof(*hdr)) {
+ device_printf(sc->ic_dev, "invalid data len %d\n", dlen);
+ return;
+ }
+ hdr = data;
+
+ /*
+ * Update request, which will be echoed back as response.
+ */
+ switch (hdr->ic_type) {
+ case VMBUS_ICMSG_TYPE_NEGOTIATE:
+ error = vmbus_ic_negomsg(sc, data, &dlen,
+ VMBUS_HEARTBEAT_FWVER, VMBUS_HEARTBEAT_MSGVER);
+ if (error)
+ return;
+ break;
+
+ case VMBUS_ICMSG_TYPE_HEARTBEAT:
+ /* Only ic_seq is a must */
+ if (dlen < VMBUS_ICMSG_HEARTBEAT_SIZE_MIN) {
+ device_printf(sc->ic_dev, "invalid heartbeat len %d\n",
+ dlen);
+ return;
+ }
+ ((struct vmbus_icmsg_heartbeat *)data)->ic_seq++;
+ break;
+
+ default:
+ device_printf(sc->ic_dev, "got 0x%08x icmsg\n", hdr->ic_type);
+ break;
+ }
+
+ /*
+ * Send response by echoing the request back.
+ */
+ vmbus_ic_sendresp(sc, chan, data, dlen, xactid);
+}
+
+static int
+vmbus_heartbeat_probe(device_t dev)
+{
+
+ return (vmbus_ic_probe(dev, vmbus_heartbeat_descs));
+}
+
+static int
+vmbus_heartbeat_attach(device_t dev)
+{
+
+ return (vmbus_ic_attach(dev, vmbus_heartbeat_cb));
+}
Index: head/sys/dev/hyperv/utilities/vmbus_shutdown.c
===================================================================
--- head/sys/dev/hyperv/utilities/vmbus_shutdown.c
+++ head/sys/dev/hyperv/utilities/vmbus_shutdown.c
@@ -0,0 +1,167 @@
+/*-
+ * Copyright (c) 2014,2016 Microsoft Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice unmodified, this list of conditions, and the following
+ * disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/reboot.h>
+#include <sys/systm.h>
+
+#include <dev/hyperv/include/hyperv.h>
+#include <dev/hyperv/include/vmbus.h>
+#include <dev/hyperv/utilities/vmbus_icreg.h>
+#include <dev/hyperv/utilities/vmbus_icvar.h>
+
+#define VMBUS_SHUTDOWN_FWVER_MAJOR 3
+#define VMBUS_SHUTDOWN_FWVER \
+ VMBUS_IC_VERSION(VMBUS_SHUTDOWN_FWVER_MAJOR, 0)
+
+#define VMBUS_SHUTDOWN_MSGVER_MAJOR 3
+#define VMBUS_SHUTDOWN_MSGVER \
+ VMBUS_IC_VERSION(VMBUS_SHUTDOWN_MSGVER_MAJOR, 0)
+
+static int vmbus_shutdown_probe(device_t);
+static int vmbus_shutdown_attach(device_t);
+
+static const struct vmbus_ic_desc vmbus_shutdown_descs[] = {
+ {
+ .ic_guid = { .hv_guid = {
+ 0x31, 0x60, 0x0b, 0x0e, 0x13, 0x52, 0x34, 0x49,
+ 0x81, 0x8b, 0x38, 0xd9, 0x0c, 0xed, 0x39, 0xdb } },
+ .ic_desc = "Hyper-V Shutdown"
+ },
+ VMBUS_IC_DESC_END
+};
+
+static device_method_t vmbus_shutdown_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, vmbus_shutdown_probe),
+ DEVMETHOD(device_attach, vmbus_shutdown_attach),
+ DEVMETHOD(device_detach, vmbus_ic_detach),
+ DEVMETHOD_END
+};
+
+static driver_t vmbus_shutdown_driver = {
+ "hvshutdown",
+ vmbus_shutdown_methods,
+ sizeof(struct vmbus_ic_softc)
+};
+
+static devclass_t vmbus_shutdown_devclass;
+
+DRIVER_MODULE(hv_shutdown, vmbus, vmbus_shutdown_driver,
+ vmbus_shutdown_devclass, NULL, NULL);
+MODULE_VERSION(hv_shutdown, 1);
+MODULE_DEPEND(hv_shutdown, vmbus, 1, 1, 1);
+
+static void
+vmbus_shutdown_cb(struct vmbus_channel *chan, void *xsc)
+{
+ struct vmbus_ic_softc *sc = xsc;
+ struct vmbus_icmsg_hdr *hdr;
+ struct vmbus_icmsg_shutdown *msg;
+ int dlen, error, do_shutdown = 0;
+ uint64_t xactid;
+ void *data;
+
+ /*
+ * Receive request.
+ */
+ data = sc->ic_buf;
+ dlen = sc->ic_buflen;
+ error = vmbus_chan_recv(chan, data, &dlen, &xactid);
+ KASSERT(error != ENOBUFS, ("icbuf is not large enough"));
+ if (error)
+ return;
+
+ if (dlen < sizeof(*hdr)) {
+ device_printf(sc->ic_dev, "invalid data len %d\n", dlen);
+ return;
+ }
+ hdr = data;
+
+ /*
+ * Update request, which will be echoed back as response.
+ */
+ switch (hdr->ic_type) {
+ case VMBUS_ICMSG_TYPE_NEGOTIATE:
+ error = vmbus_ic_negomsg(sc, data, &dlen,
+ VMBUS_SHUTDOWN_FWVER, VMBUS_SHUTDOWN_MSGVER);
+ if (error)
+ return;
+ break;
+
+ case VMBUS_ICMSG_TYPE_SHUTDOWN:
+ if (dlen < VMBUS_ICMSG_SHUTDOWN_SIZE_MIN) {
+ device_printf(sc->ic_dev, "invalid shutdown len %d\n",
+ dlen);
+ return;
+ }
+ msg = data;
+
+ /* XXX ic_flags definition? */
+ if (msg->ic_haltflags == 0 || msg->ic_haltflags == 1) {
+ device_printf(sc->ic_dev, "shutdown requested\n");
+ hdr->ic_status = VMBUS_ICMSG_STATUS_OK;
+ do_shutdown = 1;
+ } else {
+ device_printf(sc->ic_dev, "unknown shutdown flags "
+ "0x%08x\n", msg->ic_haltflags);
+ hdr->ic_status = VMBUS_ICMSG_STATUS_FAIL;
+ }
+ break;
+
+ default:
+ device_printf(sc->ic_dev, "got 0x%08x icmsg\n", hdr->ic_type);
+ break;
+ }
+
+ /*
+ * Send response by echoing the request back.
+ */
+ vmbus_ic_sendresp(sc, chan, data, dlen, xactid);
+
+ if (do_shutdown)
+ shutdown_nice(RB_POWEROFF);
+}
+
+static int
+vmbus_shutdown_probe(device_t dev)
+{
+
+ return (vmbus_ic_probe(dev, vmbus_shutdown_descs));
+}
+
+static int
+vmbus_shutdown_attach(device_t dev)
+{
+
+ return (vmbus_ic_attach(dev, vmbus_shutdown_cb));
+}
Index: head/sys/dev/hyperv/utilities/vmbus_timesync.c
===================================================================
--- head/sys/dev/hyperv/utilities/vmbus_timesync.c
+++ head/sys/dev/hyperv/utilities/vmbus_timesync.c
@@ -0,0 +1,245 @@
+/*-
+ * Copyright (c) 2014,2016 Microsoft Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice unmodified, this list of conditions, and the following
+ * disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/syscallsubr.h>
+#include <sys/sysctl.h>
+#include <sys/systm.h>
+
+#include <dev/hyperv/include/hyperv.h>
+#include <dev/hyperv/include/vmbus.h>
+#include <dev/hyperv/utilities/vmbus_icreg.h>
+#include <dev/hyperv/utilities/vmbus_icvar.h>
+
+#define VMBUS_TIMESYNC_FWVER_MAJOR 3
+#define VMBUS_TIMESYNC_FWVER \
+ VMBUS_IC_VERSION(VMBUS_TIMESYNC_FWVER_MAJOR, 0)
+
+#define VMBUS_TIMESYNC_MSGVER_MAJOR 4
+#define VMBUS_TIMESYNC_MSGVER \
+ VMBUS_IC_VERSION(VMBUS_TIMESYNC_MSGVER_MAJOR, 0)
+
+#define VMBUS_TIMESYNC_DORTT(sc) \
+ ((sc)->ic_msgver >= VMBUS_IC_VERSION(4, 0) && \
+ (hyperv_features & CPUID_HV_MSR_TIME_REFCNT))
+
+static int vmbus_timesync_probe(device_t);
+static int vmbus_timesync_attach(device_t);
+
+static const struct vmbus_ic_desc vmbus_timesync_descs[] = {
+ {
+ .ic_guid = { .hv_guid = {
+ 0x30, 0xe6, 0x27, 0x95, 0xae, 0xd0, 0x7b, 0x49,
+ 0xad, 0xce, 0xe8, 0x0a, 0xb0, 0x17, 0x5c, 0xaf } },
+ .ic_desc = "Hyper-V Timesync"
+ },
+ VMBUS_IC_DESC_END
+};
+
+static device_method_t vmbus_timesync_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, vmbus_timesync_probe),
+ DEVMETHOD(device_attach, vmbus_timesync_attach),
+ DEVMETHOD(device_detach, vmbus_ic_detach),
+ DEVMETHOD_END
+};
+
+static driver_t vmbus_timesync_driver = {
+ "hvtimesync",
+ vmbus_timesync_methods,
+ sizeof(struct vmbus_ic_softc)
+};
+
+static devclass_t vmbus_timesync_devclass;
+
+DRIVER_MODULE(hv_timesync, vmbus, vmbus_timesync_driver,
+ vmbus_timesync_devclass, NULL, NULL);
+MODULE_VERSION(hv_timesync, 1);
+MODULE_DEPEND(hv_timesync, vmbus, 1, 1, 1);
+
+SYSCTL_NODE(_hw, OID_AUTO, hvtimesync, CTLFLAG_RW | CTLFLAG_MPSAFE, NULL,
+ "Hyper-V timesync interface");
+
+static int vmbus_ts_ignore_sync = 0;
+SYSCTL_INT(_hw_hvtimesync, OID_AUTO, ignore_sync, CTLFLAG_RWTUN,
+ &vmbus_ts_ignore_sync, 0, "Ignore the sync request.");
+
+/*
+ * Trigger sample sync when drift exceeds threshold (ms).
+ * Ignore the sample request when set to 0.
+ */
+static int vmbus_ts_sample_thresh = 100;
+SYSCTL_INT(_hw_hvtimesync, OID_AUTO, sample_thresh, CTLFLAG_RWTUN,
+ &vmbus_ts_sample_thresh, 0,
+ "Threshold that makes sample request trigger the sync (unit: ms).");
+
+static int vmbus_ts_sample_verbose = 0;
+SYSCTL_INT(_hw_hvtimesync, OID_AUTO, sample_verbose, CTLFLAG_RWTUN,
+ &vmbus_ts_sample_verbose, 0, "Increase sample request verbosity.");
+
+static void
+vmbus_timesync(struct vmbus_ic_softc *sc, uint64_t hvtime, uint64_t sent_tc,
+ uint8_t tsflags)
+{
+ struct timespec vm_ts;
+ uint64_t hv_ns, vm_ns, rtt = 0;
+
+ if (VMBUS_TIMESYNC_DORTT(sc))
+ rtt = rdmsr(MSR_HV_TIME_REF_COUNT) - sent_tc;
+
+ hv_ns = (hvtime - VMBUS_ICMSG_TS_BASE + rtt) * HYPERV_TIMER_NS_FACTOR;
+ nanotime(&vm_ts);
+ vm_ns = (vm_ts.tv_sec * NANOSEC) + vm_ts.tv_nsec;
+
+ if ((tsflags & VMBUS_ICMSG_TS_FLAG_SYNC) && !vmbus_ts_ignore_sync) {
+ struct timespec hv_ts;
+
+ if (bootverbose) {
+ device_printf(sc->ic_dev, "apply sync request, "
+ "hv: %ju, vm: %ju\n",
+ (uintmax_t)hv_ns, (uintmax_t)vm_ns);
+ }
+ hv_ts.tv_sec = hv_ns / NANOSEC;
+ hv_ts.tv_nsec = hv_ns % NANOSEC;
+ kern_clock_settime(curthread, CLOCK_REALTIME, &hv_ts);
+ /* Done! */
+ return;
+ }
+
+ if ((tsflags & VMBUS_ICMSG_TS_FLAG_SAMPLE) &&
+ vmbus_ts_sample_thresh > 0) {
+ int64_t diff;
+
+ if (vmbus_ts_sample_verbose) {
+ device_printf(sc->ic_dev, "sample request, "
+ "hv: %ju, vm: %ju\n",
+ (uintmax_t)hv_ns, (uintmax_t)vm_ns);
+ }
+
+ if (hv_ns > vm_ns)
+ diff = hv_ns - vm_ns;
+ else
+ diff = vm_ns - hv_ns;
+ /* nanosec -> millisec */
+ diff /= 1000000;
+
+ if (diff > vmbus_ts_sample_thresh) {
+ struct timespec hv_ts;
+
+ if (bootverbose) {
+ device_printf(sc->ic_dev,
+ "apply sample request, hv: %ju, vm: %ju\n",
+ (uintmax_t)hv_ns, (uintmax_t)vm_ns);
+ }
+ hv_ts.tv_sec = hv_ns / NANOSEC;
+ hv_ts.tv_nsec = hv_ns % NANOSEC;
+ kern_clock_settime(curthread, CLOCK_REALTIME, &hv_ts);
+ }
+ /* Done */
+ return;
+ }
+}
+
+static void
+vmbus_timesync_cb(struct vmbus_channel *chan, void *xsc)
+{
+ struct vmbus_ic_softc *sc = xsc;
+ struct vmbus_icmsg_hdr *hdr;
+ const struct vmbus_icmsg_timesync *msg;
+ int dlen, error;
+ uint64_t xactid;
+ void *data;
+
+ /*
+ * Receive request.
+ */
+ data = sc->ic_buf;
+ dlen = sc->ic_buflen;
+ error = vmbus_chan_recv(chan, data, &dlen, &xactid);
+ KASSERT(error != ENOBUFS, ("icbuf is not large enough"));
+ if (error)
+ return;
+
+ if (dlen < sizeof(*hdr)) {
+ device_printf(sc->ic_dev, "invalid data len %d\n", dlen);
+ return;
+ }
+ hdr = data;
+
+ /*
+ * Update request, which will be echoed back as response.
+ */
+ switch (hdr->ic_type) {
+ case VMBUS_ICMSG_TYPE_NEGOTIATE:
+ error = vmbus_ic_negomsg(sc, data, &dlen,
+ VMBUS_TIMESYNC_FWVER, VMBUS_TIMESYNC_MSGVER);
+ if (error)
+ return;
+ if (VMBUS_TIMESYNC_DORTT(sc))
+ device_printf(sc->ic_dev, "RTT\n");
+ break;
+
+ case VMBUS_ICMSG_TYPE_TIMESYNC:
+ if (dlen < sizeof(*msg)) {
+ device_printf(sc->ic_dev, "invalid timesync len %d\n",
+ dlen);
+ return;
+ }
+ msg = data;
+ vmbus_timesync(sc, msg->ic_hvtime, msg->ic_sent_tc,
+ msg->ic_tsflags);
+ break;
+
+ default:
+ device_printf(sc->ic_dev, "got 0x%08x icmsg\n", hdr->ic_type);
+ break;
+ }
+
+ /*
+ * Send response by echoing the request back.
+ */
+ vmbus_ic_sendresp(sc, chan, data, dlen, xactid);
+}
+
+static int
+vmbus_timesync_probe(device_t dev)
+{
+
+ return (vmbus_ic_probe(dev, vmbus_timesync_descs));
+}
+
+static int
+vmbus_timesync_attach(device_t dev)
+{
+
+ return (vmbus_ic_attach(dev, vmbus_timesync_cb));
+}
Index: head/sys/modules/hyperv/utilities/Makefile
===================================================================
--- head/sys/modules/hyperv/utilities/Makefile
+++ head/sys/modules/hyperv/utilities/Makefile
@@ -4,11 +4,11 @@
KMOD= hv_utils
SRCS= vmbus_ic.c
-SRCS+= hv_heartbeat.c
SRCS+= hv_kvp.c
-SRCS+= hv_shutdown.c
SRCS+= hv_snapshot.c
-SRCS+= hv_timesync.c
+SRCS+= vmbus_heartbeat.c
+SRCS+= vmbus_shutdown.c
+SRCS+= vmbus_timesync.c
SRCS+= bus_if.h device_if.h vmbus_if.h
CFLAGS+= -I${.CURDIR}/../../../dev/hyperv/include \

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